Footwear sole



FIG. 1 is a right side view of a footwear sole showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear view thereof.

The upper surface is not claimed since it is not visible in use.

The broken lines showing the top surface of the footwear sole in FIGS. 1, 2, 4, & 5 illustrate the portions of the design that form no part of the claim. 

I claim the ornamental design for a footwear sole, as shown and described. 